From: Wei Liu <wei.liu@kernel.org>
To: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Cc: kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, longli@microsoft.com,
linux-hyperv@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mshv: Use PMD_ORDER instead of HPAGE_PMD_ORDER when processing regions
Date: Wed, 10 Dec 2025 22:43:06 +0000 [thread overview]
Message-ID: <20251210224306.GA3121622@liuwe-devbox-debian-v2.local> (raw)
In-Reply-To: <176529822862.17729.14849117117197568731.stgit@skinsburskii-cloud-desktop.internal.cloudapp.net>
On Tue, Dec 09, 2025 at 04:37:20PM +0000, Stanislav Kinsburskii wrote:
> Fix page order determination logic when CONFIG_PGTABLE_HAS_HUGE_LEAVES
> is undefined, as HPAGE_PMD_SHIFT is defined as BUILD_BUG in that case.
>
> Fixes: abceb4297bf8 ("mshv: Fix huge page handling in memory region
> traversal")
> Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Queued.
> ---
> drivers/hv/mshv_regions.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hv/mshv_regions.c b/drivers/hv/mshv_regions.c
> index 202b9d551e39..dc2d7044fb91 100644
> --- a/drivers/hv/mshv_regions.c
> +++ b/drivers/hv/mshv_regions.c
> @@ -58,7 +58,7 @@ static long mshv_region_process_chunk(struct mshv_mem_region *region,
>
> page_order = folio_order(page_folio(page));
> /* The hypervisor only supports 4K and 2M page sizes */
> - if (page_order && page_order != HPAGE_PMD_ORDER)
> + if (page_order && page_order != PMD_ORDER)
> return -EINVAL;
>
> stride = 1 << page_order;
>
>
next prev parent reply other threads:[~2025-12-10 22:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-09 16:37 [PATCH] mshv: Use PMD_ORDER instead of HPAGE_PMD_ORDER when processing regions Stanislav Kinsburskii
2025-12-10 22:43 ` Wei Liu [this message]
2025-12-17 5:03 ` Anirudh Rayabharam
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20251210224306.GA3121622@liuwe-devbox-debian-v2.local \
--to=wei.liu@kernel.org \
--cc=decui@microsoft.com \
--cc=haiyangz@microsoft.com \
--cc=kys@microsoft.com \
--cc=linux-hyperv@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=longli@microsoft.com \
--cc=skinsburskii@linux.microsoft.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox